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Maven - Bundled JRE and javaFX

 
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Introduction

Im building a small app in JavaFX using maven and openJDK 12. However, I need my .Jar to contain a bundled JRE so it can run on windows OS without downloading a proper JRE.


Im also using launch4j-maven-plugin

I tried several solutions here and on SOF but no success.

The current code I have, do the job partially :


  • It packs the "C:/Program Files/Java/openjdk-12.0.2_windows-x64_bin/bin" folder inside the .jar but the ".exes" arent included, which is bad.

    It packs the dependencies of POM inside the .jar

    launcher4j-maven packs it all in a .exe


  • What I want is to pack the JRE inside the .jar and set launcher4J to use it. Would someone help me? I need this too because javaFX actually is being a pain to execute in users/clients computers.





     
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    I think you're out of luck. A JAR is just a special form of a ZIP file, so first you'd have to be able to execute a Windows .exe from the command line or GUI desktop while it's contained within the ZIP. Not possible unless something essential changed in Windows.

    Secondly, a JRE is more than just the "javaw.exe". It's the aggregate of the executable VM, the core libraries, the internal configuration files, and a whole lot more. All of which have to be accessible via direct filesystem I/O calls. Which is to say, that they have to be files, not be in a file (ZIP).

    Thirdly, if you're bundling Oracle's JRE into anything without licensing, you could expect to hear from their rather formidable legal department, technical obstacles notwithstanding.
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